Home / 1,509,664.14-2,081,082.51-999,480.78

Finding the Fourth Proportional to 1,509,664.14, 2,081,082.51 and 999,480.78

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Solution

The fourth proportional to 1,509,664.14, 2,081,082.51 and 999,480.78 is: 1,377,791.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509,664.14 : 2,081,082.51 = 999,480.78 : x
  2. Step 2: Convert to fraction form
    1,509,664.14/2,081,082.51 = 999,480.78/x
  3. Step 3: Cross multiply
    1,509,664.14x = 2,081,082.51 × 999,480.78
  4. Step 4: Simplify right side
    1,509,664.14x = 2,080,001,970,339.16
  5. Step 5: Solve for x
    x = 2,080,001,970,339.16/1,509,664.14
  6. Step 6: Final answer
    x = 1,377,791.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.